GridConnex is an excellent alternative to traditional pole mount medium voltage service. Medium Voltage Grid.
Federal Pacific GridConnex™ systems provide a specialized solution for the safe and reliable interconnection of renewable energy sources to the utility grid. These medium-voltage, pad-mounted assemblies integrate a visible-break disconnect switch with a vacuum fault interrupter (VFI) or circuit breaker in a single coordinated unit.
Specifically engineered for wind, solar, and battery energy storage systems (BESS), GridConnex ensures compliance with utility point-of-interconnect (POI) requirements while providing robust overcurrent protection and SCADA-ready control in a compact, tamper-resistant enclosure.
Grid interconnection systems focus on providing a clear point of demarcation and protection between renewable assets and the utility network.
GridConnex is an ideal solution for renewable energy projects requiring a compact, utility-approved point of interconnection.
The primary solution for renewable interconnection, combining a load-break disconnect and a vacuum circuit protector.
Maximum Design Voltage
15.5 kV–38 kV
BIL (Basic Impulse Level)
95 kV–150 kV
Continuous Current
600 A / 1200 A
Short-Circuit Withstand
Up to 40 kA
Fault-Closing (Asymm. RMS)
40 kA
Seismic Rating
IBC / IEEE 693
Enclosure Options
NEMA 3R (Mild or Stainless)
Compliance Standard
IEEE C37.74 / C57.12.28
Access technical specifications, submittals, calculators, and installation manuals relevant to dry-type transformers.
Federal Pacific supports the GridConnex family with specialized engineering consultation and site-specific configuration to ensure utility compliance and long-term reliability.
Direct-to-engineering consultation for utility-specific protection and relaying requirements.
Technical guidance for equipment anchoring, cable termination, and grid commissioning.
The GridConnex™ integrated design eliminates the mechanical and electrical coordination challenges of using separate disconnect and breaker units. By streamlining the point of interconnection, we reduce site footprints and installation costs while meeting the most stringent utility safety standards.
Our direct-to-engineer model enables us to optimize every system for the specific protection and communication needs of each energy asset.
Contact our engineering team to identify the appropriate configuration for your specific renewable energy grid interconnection needs.